Answer:
The answer should be x < 
Step-by-step explanation:
Answer: Choice C. (x-7)(x-8)
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Find two numbers that...
* Multiply to 56 (last term)
* Add to -15 (middle coefficient)
Those two numbers are -7 and -8. So that's why x^2-15x+56 factors to (x-7)(x-8)
Answer:
The arc measure of ABC is 221°
Answer:
C (x+12)
Step-by-step explanation:
XxX=x^2 12x2=24
Step-by-step explanation:
2/3 x - 1/9 x + 5 = 20
6/9 x - 1/9 x = 15
5/9 x = 15
x = 15 * (9/5) = 27.